Check a VIN

2018 Ram 2500: ABS light or ABS activating

1,974 of the 2,610 complaints about the 2018 Ram 2500 describe ABS light or ABS activating.

owner complaints
1,974
of this car's complaints
76%
typical repair cost reported
$1,300
typical mileage
58,000
recalls
1
Is there a fix? There is 1 recall and 15 service bulletins for this area of the car. See below

ABS light or ABS activating by model year

What owners say

Filed Nov 4, 2026 · Brakes · 115,215 miles · LA

The contact owns a 2018 Ram 2500. The contact stated that the vehicle was repaired under the federal safety agency Campaign Number: 24V896000 (SERVICE BRAKES, HYDRAULIC); however, the failure occurred. The contact stated that while driving, the ABS warning light remained illuminated. The dealer was contacted; however, the vehicle was not diagnosed or repaired. The failure mileage was 115,215.

Filed Oct 14, 2026 · Brakes · WA

Vehicle Information: * Year/Make/Model: 2018 Ram 2500 Power Wagon * Affected Component: Electronic Stability Control / Service Brakes, Hydraulic / Electrical System * Associated Recall: FCA Recall C4B / the federal safety agency Campaign 24V‑896 Description of the Safety Problem: The vehicle is completely disabled and non-running due to a high-current internal electrical short-to-ground within the ABS/Stability Control architecture. Attempting to turn over the engine instantly blows the heavy 30-amp Fuse F26. Diagnostics isolated the issue exclusively to the ABS module: when the main ABS electrical connector is unplugged, a fresh fuse does not blow, confirming a direct short within the module assembly. Because this is a Ram Power Wagon, the system failure also cascades into the disabling of vital off-road, safety, and stability control systems. Description of Manufacturer/Dealer Non-Compliance: According to the VIN registry, the manufacturer’s authorized dealership marked FCA Safety Recall C4B (the federal safety agency 24V‑896) as "Completed" on this vehicle. However, a physical inspection reveals that the required engineering remedy was never properly executed. The vehicle is still running the original, factory-defective components. The electronic ABS module physically installed on the truck bears part number 68351453AA. This "AA" suffix indicates the original, defective component architecture that is prone to internal failure and explicitly named in the manufacturer's initial safety report. Per official recall remedy instructions, a complete replacement of the HCU assembly with updated brush materials (such as part 68143491AB) is required. The dealership failed to install the authorized engineering remedy part, leaving the defective component in place while reporting the safety recall as closed to federal regulators. Because this component failure triggers a high-current short-to-ground, it presents an active vehicle fire hazard and has left the vehicle completely stranded.

Filed Oct 14, 2026 · Brakes · CA

I received a Safety Recall notice back in XXX for the HCU ABS component on my 2018 Ram 2500 (C4B/the federal safety agency 24V‑896). Subsequently, the ABS component failed shortly after so I took the truck into CardinaleWay Chrysler Dodge Jeep Ram Santa Rosa and they temporarily repaired the unit, but did not and have not had a replacement unit to resolve the recall notice safety issue. As stated on the paperwork, it is typed "Advised customer that the HCU is currently on recall, but the recall fix is not available at this time". To date, there has been no repair of that part made to my truck to resolve this safety recall, but the recall notice was removed by Stellanis on my truck, most likely following a conversation that I had with them last month expressing my concerns for safety when operating my truck and asking for an update on when the part would become available. I believe that Stellanis reported this as "fixed" fraudulently to the federal safety agency and I would like for the federal safety agency to investigate this thoroughly. I talked with the federal safety agency service agent "[XXX]" today about this issue and he assigned reference number XXX for the incident. I have attached the documents as per my statements above for review. I look forward to your reply on this matter. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Oct 8, 2026 · Brakes · 41,400 miles · TX

The contact owns a 2018 Ram 2500. The contact stated that the ABS and traction control warning lights were illuminated with a steady continuous audible chime coming from the vehicle. The contact received notification of the federal safety agency Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was 41,400.

Filed Oct 7, 2026 · Brakes, Electrical · IN

The truck is under recall C4b for the ABS / Traction control system, which also disables the cruise control. I have called several times and had the vehicle into local dealerships and was told there is still no fix. I asked about trading in the truck and the dealers offered me way below KBB value stating they don't want the truck because of the recall. I ask Ram to help me out and they said there is nothing they can do. 3 times now in over the almost 2 years this truck has been under recall C4B the truck has only engaged the rear brakes during a panic stop causing me to almost crash. I talked with Ram recall department and that told me to stop driving the truck, I told them it was my only transportation. They then told me it's up to a dealership if they want to give me a rental until the fix becomes available, of course the dealers do not. I am frustrated and at wits end, the truck constantly dings at me turning the ABS light on and off all day everyday. I have had no use of my cruise control for almost 2 years, and can not pull trailers like I intended to do with the truck becuase the companies will not pass the truck in their inspections because of the ABS / Traction control lights being on. The lights have been coming on since about December of 2024, and stayed on since Febuary of 2025.

Filed Oct 6, 2026 · Brakes · 160,000 miles · OH

The contact owns a 2018 Ram 2500. The contact received notification of the federal safety agency Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The contact stated that the ABS and check engine warning lights were illuminated and the cruise control became inoperable. The vehicle was taken to the dealer, where it was diagnosed, and the failure was associated with the recall. The contact was referred to the manufacturer. The manufacturer was notified of the failure by phone and advised the contact to repair the vehicle, and a reimbursement would be provided when parts became available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The failure mileage was approximately 160,000.

Filed Oct 1, 2026 · Brakes · SC

I have 2018 Ram 2500 Diesel that has the ABS Recall and my abs system is not working, No cruise control and No traction control. I have contacted multible dealers multible times and I'm told there is no fix for this problem. I don't understand how they can continue to engineer and build trucks that apparently don't have this problem but can't engineer a fix for this Safety Issue. My problem was first reported to the dealer (1/15/2021) 5 years ago. I bought this truck New to pull a thirty foot gooseneck trailer to haul 18000 pounds of farm equipment for my business. This truck is currently unsafe and really unusable in a safe manner for me and other drivers on the highway. It would appear Ram either has incapable engineers or has just stuck their head in the sand and hope the problem goes away. I currently have an unsable truck that I cannot trade due to a safety issue and Ram can't fix it. What can be done to give Ram a time line to correct the issue? I believe you would agree they have had plenty of time to reengineer the fix. There is 371,000 Ram trucks with this problem, Please help Us owners and the general public on the highways. 371000 potiential deaths due to this problem.

Filed Sep 30, 2026 · Brakes · 45,000 miles · WV

The contact owns a 2018 Ram 2500. The contact received notification of the federal safety agency Campaign Number: 24V896000 (SERVICE BRAKES, HYDRAULIC); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated that while operating the vehicle the "Service ABS" and "Electronic Braking System" were displayed with an audible chime. The cruise control and traction control had deactivated. The failure mileage was approximately 45,000.

Filed Sep 29, 2026 · Brakes · WA

My truck is subject to FCA Recall C4B, the federal safety agency Recall 24V‑896, involving the brake hydraulic control unit (HCU). The recall concerns possible loss of ABS, electronic stability control and traction control. My concern is that the recall has been open since November 2024 and I still have not been able to obtain the repair for my truck. I have also been dealing directly with Stellantis and have case number 94100990. More importantly, my truck has actually experienced the problem. The ABS warning light began coming on before the C4B recall was announced. I don't remember the exact date, but I know the problem existed before the recall. The warning has continued to occur intermittently. This means I am not simply waiting for a routine recall repair. My truck has actually shown the symptom that the recall is intended to address.

Filed Sep 27, 2026 · Brakes, Fuel system · TN

I haven’t had an accident yet, but the car beeps at me constantly. It’s very distracting. Abs / traction control lights constantly going on and off. Also had issues with transmission, gears shifting hard, 4wd bushings in transfer case, etc. I have asked for an update on recalls many times. No part available. It’s been almost 2 years. Doesn’t seem that they plan to address the issue.

Filed Sep 25, 2026 · Brakes · 26,500 miles · SC

The contact owns a 2018 Ram 2500. The contact stated that while driving at an undisclosed speed, the ABS and cruise control features failed to operate, with a dinging sound coming from the vehicle. The contact received notification of the federal safety agency Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part for the recall repair was not yet available. The dealer was contacted. The vehicle was not diagnosed or repaired. The dealer confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure by telephone. The approximate failure mileage was 26,500.

Filed Sep 23, 2026 · Brakes · 68,000 miles · PA

The contact owns a 2018 Ram 2500. The contact received notification of the federal safety agency Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while driving, the message "ABS Failure" was displayed. The dealer was made aware of the failure but confirmed that parts were not yet available. The failure mileage was 68,000.

Service bulletins that may apply

Related recalls

Service brakes, hydraulic: antilock/traction control/electronic limited slip: control unit/moduleReported November 27, 2024 · 317,630 vehicles affected
What is wrong
Chrysler (FCA US, LLC) is recalling certain 2017-2018 Ram 2500 Pickup, Ram 3500 Pickup, 3500 Cab Chassis, 4500 and 5500 Cab Chassis vehicles. The hydraulic control unit (HCU) may fail, which can cause the anti-lock brake (ABS), electronic stability control (ESC), and traction control systems to fail.
Risk
A loss of anti-lock brakes, electronic stability control, or traction control can increase the risk of a crash.
Remedy
Dealers will replace the brake HCU, or replace the HCU motor, free of charge. Owner notification letters were mailed beginning January 9, 2025. Owners may contact FCA customer service at 1‑800‑853‑1403. FCA's number for this recall is C4B.

Recall number 24V896000 · Recall details

Questions about the 2018 Ram 2500 abs

Is ABS light or ABS activating a common problem on the 2018 Ram 2500?

1,974 of 2,610 owner complaints about the 2018 Ram 2500 (76%) mention ABS light or ABS activating. The model year with the most reports is 2018.

How much does it cost to fix ABS light or ABS activating on the 2018 Ram 2500?

Owners who mentioned a price put the repair at about $1,300 (median of 120 complaints that include a dollar amount). Costs vary with mileage, warranty and where the work is done.

Is there a recall or service bulletin for this on the 2018 Ram 2500?

There is 1 recall and 15 service bulletins for the same area of the car. Check them below with your VIN.

Other symptoms on the 2018 Ram 2500

Adaptive cruise 680Brake failure 58Check engine light 44Backup camera 26Spongy pedal 12Warning lights 12Grinding brakes 10Won't shift 10No deployment 7Engine failure 7Loss of power 6Transmission failure 6Ball joint 5Fire or smoke 5Harsh shifting 5Hesitation 5Power steering loss 5Slipping 5Stalling 5Won't start 5

All model years of the Ram 2500

VIN decoder

See the problems and recalls for an exact car

Buying a used 2018 Ram 2500?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history